Results 81 to 90 of about 856 (156)
The positive stability and D-stability of singular M-matrices, perturbed by (non-trivial) nonnegative rank one perturbations, is investigated. In special cases positive stability or D-stability can be established. In full generality this is not the case,
Bierkens, Joris, Ran, André
core +2 more sources
Stability of a secondary dengue viral infection model with multi-target cells
Dengue is one of the vector-borne diseases spread in most parts of the world. The number of infected individuals is increased each year. This paper proposes a mathematical model describing the secondary dengue viral infection in micro-environment.
M.A. Alshaikh +2 more
doaj +1 more source
On weak exponential expansiveness of skew-evolution semiflows in Banach spaces
The aim of this paper is to give several characterizations for weak exponential expansiveness properties of skew-evolution semiflows in Banach spaces. Variants for weak exponential expansiveness of some well-known results in uniform exponential stability
Tian Yue, Xiaoqiu Song, Dong-Qing Li
semanticscholar +1 more source
Optimal Control for a COVID-19 Model Accounting for Symptomatic and Asymptomatic
Building on an SEIR-type model of COVID-19 where the infecteds are further divided into symptomatic and asymptomatic, a system incorporating the various possible interventions is formulated.
Macalisang Jead M. +3 more
doaj +1 more source
Recent studies have intensified the risk of post-COVID-19 cardiovascular diseases. In an effort to understand the intricate dynamics of COVID-19 infection, this article suggests a four-compartment model to portray the dynamic interplay between the ...
Shirisha Gopishetty, Vernekar Saroj
doaj +1 more source
Classical and fractional analysis of the effects of Silicosis in a Mining Community
A mathematical model for the transmission dynamics of silicosis in a mining environment is designed and its qualitative analysis is given. The model takes into account the severity of silica dust exposure in a mining environment.
H.M. Tenkam +5 more
doaj +1 more source
Levinson Theorem for Differential Equations with Piecewise Constant Argument Generalized [PDF]
In this work, it is presented an adaptation of an asymptotic theorem of N. Levinson of 1948, to differential equation with piecewise constant argument generalized, which were introduced by M. Akhmet in 2007.
Castillo, Samuel, Flores, Wilfred
core
We present a fractional-order epidemic model for childhood diseases with the new fractional derivative approach proposed by Caputo and Fabrizio. By applying the Laplace Adomian decomposition method (LADM), we solve the problem and the solutions are ...
Dumitru Baleanu +3 more
doaj +1 more source
Weak instability of Hamiltonian equilibria
This is an expository paper on Lyapunov stability of equilibria of autonomous Hamiltonian systems. Our aim is to clarify the concept of weak instability, namely instability without non-constant motions which have the equilibrium as limit point as time ...
Zampieri, Gaetano
core
Lyapunov theorems for Banach spaces [PDF]
The final version of this paper appears in: "Bulletin of the American Mathematical Society" 31 (1994): 44-49. Print.We present a spectral mapping theorem for semigroups on any Banach space E.
Latushkin, Yuri, 1956- +1 more
core

